Hidden casein proteins in certain “dustless” chalk products can cause respiratory symptoms when inhaled by kids with milk allergy, according to a new study from Spain.

“Chalks that are labeled as being anti-dust or dustless still release small particles into the air,” Dr. Carlos Larramendi, the lead author, said in a press release.

“Our research has found when the particles are inhaled by children with milk allergy, coughing, wheezing and shortness of breath can occur. Inhalation can also cause nasal congestion, sneezing and a runny nose.”

Okay, what brands might contain casein? If I looked at a box of chalk in my school would the casein be listed since it is not a food product? I guess I would have to contact the company.

_________________13 year old daughter -- lives with life-threatening allergies to milk, tree nuts and peanuts; seasonal allergies (birch, maple, ragweed); pet allergies; asthma; and eczema10 year old son - no allergies

This has to be one of most unusual places to find milk. Who would have thought...

_________________13 year old daughter -- lives with life-threatening allergies to milk, tree nuts and peanuts; seasonal allergies (birch, maple, ragweed); pet allergies; asthma; and eczema10 year old son - no allergies

Dustless chalk is common in classrooms to reduce dust getting into all of the technology found in classrooms now.

_________________13 year old daughter -- lives with life-threatening allergies to milk, tree nuts and peanuts; seasonal allergies (birch, maple, ragweed); pet allergies; asthma; and eczema10 year old son - no allergies

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